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- Title
Comparación del porcentaje de grasa corporal medido con cuatro métodos diferentes en jóvenes futbolistas: ¿son comparables?
- Authors
Lozano Berges, Gabriel; Matute Llorente, Ángel; Gómez Bruton, Alejandro; González Agüero, Alejandro; Vicente Rodríguez, German; Antonio Casajús, José; Casajús, José Antonio
- Abstract
<bold>Introduction: </bold>Dual X-ray absorptiometry (DXA), air displacement plethysmography (ADP), bioelectrical impedance analysis (BIA) and anthropometry are four body composition methods that have been frequently used for the assessment of body fat percentage (%BF) in athletes. However, the agreement between these methods has not been studied yet in adolescent football players.<bold>Objectives: </bold>The aim of this study was to compare %BF calculated by DXA, ADP, BIA and anthropometry in 92 participants.<bold>Methods: </bold>Sixty-four males (13.4 ± 0.6 years of age) and 28 females (13.4 ± 0.6 years) participated in this study. %BF was measured with four methods: DXA, ADP, BIA, and anthropometry. ADP %BF was calculated by using Siri's equation. The equation proposed by Slaughter et al. was used to calculate %BF by anthropometry. Paired t-test was used to compare %BF means. The heteroscedasticity was calculated by Bland-Altman analyses.<bold>Results and Conclusions: </bold>Both in males and females, DXA, ADP, BIA and Slaughter et al. equation demonstrated significant %BF differences when compared to each other (p < 0.05); 95% limits of agreements ranged from 5.13 to 15.09% points. Only BIA showed heteroscedasticity compared to the other methods in both genders (p < 0.05). Although DXA, ADP, BIA, and anthropometry have been used in the scientific literature in order to assess %BF in adolescent football players, these results demonstrate that these body composition methods are not interchangeable in this population.
- Subjects
FAT analysis; BODY composition; HEALTH of football players; DUAL-energy X-ray absorptiometry; ANTHROPOMETRY; ADIPOSE tissue physiology; ATHLETES; HUMAN body composition; COMPARATIVE studies; BIOELECTRIC impedance; RESEARCH methodology; MEDICAL cooperation; PLETHYSMOGRAPHY; RESEARCH; SOCCER; EVALUATION research; PHOTON absorptiometry
- Publication
Nutrición Hospitalaria, 2017, Vol 34, Issue 5, p1119
- ISSN
0212-1611
- Publication type
journal article
- DOI
10.20960/nh.760